S
M
T
W
T
F
S
28
N/A
29
N/A
30
N/A
1
N/A
2
N/A
3
N/A
4
N/A
5
N/A
6
N/A
7
N/A
8
N/A
9
N/A
10
N/A
11
104°
78°
12
102°
79°
13
102°
81°
14
104°
81°
15
104°
81°
16
101°
77°
17
97°
76°
18
97°
78°
19
98°
79°
20
101°
80°
21
102°
79°
22
101°
80°
23
102°
81°
24
104°
78°
25
99°
75°
26
99°
76°
27
107°
81°
28
106°
80°
29
101°
76°
30
98°
75°
31
99°
75°
1
99°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Santa Rosa
Santa Rosa's July 2026 forecast shows daily high temperatures ranging from 97° to 107°, with overnight lows between 75° and 81°. The average high for July is 101° with an average low of 78°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Santa Rosa. See also: August | September | October.
